Question

the cost of dinner for a family of four was $128. They left the waiter a total of $151.04, including the tip. What percent of the bill was the tip?

Pls help me!

Answer 1

151.04 - 128 = 23.04

23.04 / 128 = 0.18

0.18 * 100 = 18%

Answer 2

thank you v.much Ms.sue!!